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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3845) Partition sender shouldn't send the "last batch" to a receiver that sent a "receiver finished" to the sender
Date Mon, 05 Oct 2015 17:04:27 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14943663#comment-14943663
] 

ASF GitHub Bot commented on DRILL-3845:
---------------------------------------

Github user adeneche commented on the pull request:

    https://github.com/apache/drill/pull/173#issuecomment-145599844
  
    @vkorukanti can you please review ? thx


> Partition sender shouldn't send the "last batch" to a receiver that sent a "receiver
finished" to the sender
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-3845
>                 URL: https://issues.apache.org/jira/browse/DRILL-3845
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>            Reporter: Deneche A. Hakim
>            Assignee: Venki Korukanti
>             Fix For: 1.3.0
>
>
> Even if a receiver has finished and informed the corresponding partition sender, the
sender will still try to send a "last batch" to the receiver when it's done. In most cases
this is fine as those batches will be silently dropped by the receiving DataServer, but if
a receiver has finished +10 minutes ago, DataServer will throw an exception as it couldn't
find the corresponding FragmentManager (WorkEventBus has a 10 minutes recentlyFinished cache).
> DRILL-2274 is a reproduction for this case (after the corresponding fix is applied).



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